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Finding the Fourth Proportional to 447,294.27, 617,520.63 and 294,775.63

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Solution

The fourth proportional to 447,294.27, 617,520.63 and 294,775.63 is: 406,958.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,294.27 : 617,520.63 = 294,775.63 : x
  2. Step 2: Convert to fraction form
    447,294.27/617,520.63 = 294,775.63/x
  3. Step 3: Cross multiply
    447,294.27x = 617,520.63 × 294,775.63
  4. Step 4: Simplify right side
    447,294.27x = 182,030,032,307.85
  5. Step 5: Solve for x
    x = 182,030,032,307.85/447,294.27
  6. Step 6: Final answer
    x = 406,958.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.